Hvaluronic acid (HA) CLIA kit (Chemiluminescence Immunoassay) is an in vitro diagnostic test kit.Hvaluronic acid (HA), also known as hyaluronate or hyaluronan. HA is intended for use as a serologic marker of liver fibrosis to be used in conjunction with other histological, clinical and  serological information for predicting advanced fibrosis (Metavir F3-4) in patients with chronic liver disease associated with non-alcoholic steatohepatichcatis (NASH).